Calamos Bitcoin STR A/P-JulCBOYETF
13F holders, Q4 2025 (December 31)9holders +2
1new positions
2sold out
$24.58avg. 13F price*
At the end of Q4 2025, 9 institutions reported holding Calamos Bitcoin STR A/P-Jul (CBOY) in their 13F filings, up 2 from Q3 2025. 1 opened new positions and 2 sold out. The largest holders were Susquehanna International Group, LLP ($1.6M), ATX Financial Planning, LLC ($1.0M) and Jane Street Group, LLC ($483K).
- Company
- Calamos Bitcoin STR A/P-Jul
- CUSIP
- 12811T647
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 1 | $451K |
| Exits | 2 | $620K |
All 13F filers, Q3 2025 → Q4 2025: 51,392 shares bought and 24,373 shares sold, net +27,019 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 9 holders
| Susquehanna International Group, LLP | 0.00% | Add +89.3% | 66,635 | $1.6M |
| ATX Financial Planning, LLC | 0.77% | — | 40,812 | $1.0M |
| Jane Street Group, LLC | 0.00% | Add +8.3% | 19,652 | $483K |
| Calamos Advisors LLC | 0.00% | New | 18,345 | $451K |
| Markin Asset Management, LP | 0.38% | — | 14,241 | $350K |
| Cambridge Investment Research Advisors, Inc. | 0.00% | Add +0.8% | 13,990 | $344K |
| Harbour Investments, Inc. | 0.00% | No change | 6,704 | $165K |
| IFP Advisors, Inc | 0.00% | No change | 2,175 | $53K |
| Ankerstar Wealth, LLC | 0.03% | — | 1,375 | $34K |
"% of holder's portfolio" is CBOY's weight in each manager's 13F, not the share of Calamos Bitcoin STR A/P-Jul the manager owns.